[Bug tree-optimization/79726] Missing optimisation: Type conversion not vectorised in simple additive reduction

2024-06-06 Thread drraph at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79726 --- Comment #3 from Raphael C --- Issue still present in gcc 14.1

[Bug tree-optimization/79201] missed optimization: sinking doesn't handle calls, swap PRE and sinking

2024-06-06 Thread drraph at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79201 --- Comment #7 from Raphael C --- As of gcc 8 this returns: f(int): mov eax, 1 ret I think this can be closed as resolved now.

[Bug tree-optimization/71414] 2x slower than clang summing small float array, GCC should consider larger vectorization factor for "unrolling" reductions

2023-06-06 Thread drraph at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71414 Raphael C changed: What|Removed |Added CC||drraph at gmail dot com --- Comment #12 from

[Bug tree-optimization/79201] missed optimization: sinking doesn't handle calls, swap PRE and sinking

2021-06-11 Thread drraph at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79201 --- Comment #5 from Raphael C --- I can confirm you now get f: mov eax, 1 ret with gcc 8 onwards.

[Bug target/79185] [8 Regression] register allocation in the addition of two 128/9 bit ints

2021-06-11 Thread drraph at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79185 --- Comment #17 from Raphael C --- Tested in gcc 11.1 with -O2 ai(__int128, __int128): mov r9, rdi mov rax, rdx mov r8, rsi mov rdx, rcx add rax, r9 adc rdx, r8 ret